{"code":"I48.20","type":"code","title":"Chronic atrial fibrillation, unspecified","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["Chronic persistent atrial fibrillation (I48.19)"],"excludes2":[],"isBillable":true,"sibling_codes":["I48","I48.0","I48.1","I48.11","I48.19","I48.2","I48.21","I48.3","I48.4","I48.9","I48.91","I48.92"],"inclusionTerms":[],"sibling_titles":{"code":"I48.92","title":"Unspecified atrial flutter","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Chronic atrial fibrillation, unspecified is a billable ICD-10-CM diagnosis code (I48.20). Excludes1 (not coded here): Chronic persistent atrial fibrillation (I48.19).","officialDefinition":"Chronic atrial fibrillation, unspecified is a billable ICD-10-CM diagnosis code (I48.20). Excludes1 (not coded here): Chronic persistent atrial fibrillation (I48.19).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}